28325592 has 64 divisors (see below), whose sum is σ = 79833600. Its totient is φ = 9303840.

The previous prime is 28325579. The next prime is 28325593. The reversal of 28325592 is 29552382.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28325593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14413 + ... + 16259.

It is an arithmetic number, because the mean of its divisors is an integer number (1247400).

Almost surely, 2^28325592 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28325592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39916800).

28325592 is an abundant number, since it is smaller than the sum of its proper divisors (51508008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28325592 is a wasteful number, since it uses less digits than its factorization.

28325592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933 (or 1923 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 28325592 is about 5322.1792529001. The cubic root of 28325592 is about 304.8313750330.

The spelling of 28325592 in words is "twenty-eight million, three hundred twenty-five thousand, five hundred ninety-two".